X-ray diffraction
3.08Å resolution

Structure of Human Cytochrome P450 1A1 with Duocarmycin Prodrug (S) ICT-2726


Function and Biology Details

Reactions catalysed:
A hydroperoxy icosatetraenoate = an oxoicosatetraenoate + H(2)O
RH + [reduced NADPH--hemoprotein reductase] + O(2) = ROH + [oxidized NADPH--hemoprotein reductase] + H(2)O
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Cytochrome P450 1A1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 491 amino acids
Theoretical weight: 55.94 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
  • Canonical: P04798 (Residues: 35-512; Coverage: 93%)
Gene name: CYP1A1
Sequence domains: Cytochrome P450

Ligands and Environments

Cofactor: Ligand HEM 4 x HEM
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P3121
Unit cell:
a: 241.281Å b: 241.281Å c: 125.298Å
α: 90° β: 90° γ: 120°
R R work R free
0.209 0.209 0.22
Expression system: Homo sapiens